205563745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{937}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 273520800

約数和(自身を除く): 67957055

約数列:

[1, 5, 17, 29, 85, 89, 145, 445, 493, 937, 1513, 2465, 2581, 4685, 7565, 12905, 15929, 27173, 43877, 79645, 83393, 135865, 219385, 416965, 461941, 1417681, 2309705, 2418397, 7088405, 12091985, 41112749, 205563745]

約数ペア:

[(1, 205563745), (5, 41112749), (17, 12091985), (29, 7088405), (85, 2418397), (89, 2309705), (145, 1417681), (445, 461941), (493, 416965), (937, 219385), (1513, 135865), (2465, 83393), (2581, 79645), (4685, 43877), (7565, 27173), (12905, 15929)]